A client with a recent diagnosis of gastrointestinal cancer asks the nurse about how cancer develops. How should the nurse respond?
"Gastrointestinal cancer is primarily caused by exposure to environmental toxins and pollutants."
"Cancer develops when normal cells in the gastrointestinal tract undergo genetic mutations that lead to uncontrolled cell growth."
"Gastrointestinal cancer is exclusively inherited from one's parents."
"The exact cause of gastrointestinal cancer is unknown and can't be explained."
The Correct Answer is B
A) Incorrect. While environmental factors can contribute to the development of cancer, they are not the primary cause. Genetic mutations play a significant role.
B) Correct. Gastrointestinal cancer, like other types of cancer, develops when normal cells in the gastrointestinal tract acquire genetic mutations. These mutations lead to uncontrolled cell growth and the formation of tumors.
C) Incorrect. While there can be a genetic component to some cases of gastrointestinal cancer, it is not exclusively inherited from one's parents.
D) Incorrect. While the exact cause of gastrointestinal cancer may not always be known, significant research has identified genetic mutations and other factors that contribute to its development.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A) Incorrect. The description provided aligns more closely with an ultrasound rather than a CT scan.
B) Incorrect. This description aligns more closely with a capsule endoscopy, but it does not involve a CT scan.
C) Correct. A CT scan uses X-rays to create detailed images of the internal organs, helping to identify abnormalities or tumors.
D) Incorrect. CT scans are not primarily used to assess blood flow in the gastrointestinal tract; they provide detailed anatomical images.
Correct Answer is B
Explanation
A) Incorrect. Tumor suppressor genes have the opposite role; they inhibit the growth of tumors.
B) Correct. Tumor suppressor genes are responsible for regulating cell division and preventing the formation of tumors. When these genes are mutated, they may lose their ability to inhibit tumor growth, increasing the risk of cancer.
C) Incorrect. Tumor suppressor genes are indeed relevant to the development of gastrointestinal cancer.
D) Incorrect. This statement inaccurately describes the role of tumor suppressor genes. They are involved in preventing uncontrolled cell growth and tumor formation.
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